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Simulate motion events when needed.

This commit is contained in:
Přemysl Eric Janouch 2011-01-10 04:24:16 +01:00
parent a3eaab63ff
commit bd4ca0dd29
1 changed files with 28 additions and 4 deletions
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32
src/ld-canvas.c
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@ -9,6 +9,8 @@
*/
#include <math.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
@ -187,6 +189,7 @@ static void diagram_disconnect_signals (LdCanvas *self);
static gdouble ld_canvas_get_base_unit_in_px (GtkWidget *self);
static gdouble ld_canvas_get_scale_in_px (LdCanvas *self);
static void simulate_motion (LdCanvas *self);
static gboolean on_motion_notify (GtkWidget *widget, GdkEventMotion *event,
gpointer user_data);
static gboolean on_leave_notify (GtkWidget *widget, GdkEventCrossing *event,
@ -799,10 +802,7 @@ ld_canvas_set_zoom (LdCanvas *self, gdouble zoom)
self->priv->zoom = clamped_zoom;
/* TODO: Retrieve the position of the mouse and call
* check_terminals() instead of just hiding the terminals.
*/
hide_terminals (self);
simulate_motion (self);
update_adjustments (self);
gtk_widget_queue_draw (GTK_WIDGET (self));
@ -1108,6 +1108,30 @@ queue_terminal_draw (LdCanvas *self, LdPoint *terminal)
queue_draw (self, &rect);
}
static void
simulate_motion (LdCanvas *self)
{
GdkEventMotion event;
GtkWidget *widget;
gint x, y;
GdkModifierType state;
widget = GTK_WIDGET (self);
if (gdk_window_get_pointer (widget->window, &x, &y, &state)
!= widget->window)
return;
memset (&event, 0, sizeof (event));
event.type = GDK_MOTION_NOTIFY;
event.window = widget->window;
event.x = x;
event.y = y;
event.state = state;
on_motion_notify (widget, &event, NULL);
}
static gboolean
on_motion_notify (GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
{